Finding the Fourth Proportional to 6,109.93, 8,428.15 and 4,117.03

Step by Step Solution

1. Step 1: Write the proportion equation
   6,109.93 : 8,428.15 = 4,117.03 : x
2. Step 2: Convert to fraction form
   6,109.93/8,428.15 = 4,117.03/x
3. Step 3: Cross multiply
   6,109.93x = 8,428.15 × 4,117.03
4. Step 4: Simplify right side
   6,109.93x = 34,698,930.47
5. Step 5: Solve for x
   x = 34,698,930.47/6,109.93
6. Step 6: Final answer
   x = 5,679.10